#include <stdio.h>

int main()
{
    printf("int 存储大小 : %zu", sizeof(int));
    unsigned long long int LmyNumber = 115964116996;
    printf(" Formatted output: %llu", LmyNumber);
    double EmyNumber = 123456789.012345;
    printf(" Formatted output: %E\n", EmyNumber);
    return 0;
}
